Duracell Powerbank 6700 mAh, Portable Charger with USB C + Fast Charging Technology IN/Out (18 W Power Delivery and Quick Charge 3.0) for Smartphones, Tablets, Headphones and USB-Powered Devices : Amazon.de: Electronics
Duracell DURDMLIONPB2 Power Bank Mobile Battery Charger PB2, Black - Newegg.com